Analysis

  • max time kernel
    147s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-05-2024 08:26

General

  • Target

    Quote List.exe

  • Size

    958KB

  • MD5

    e2c7999f00c70d031a43c537714f7b52

  • SHA1

    66306e6916c8760cbf99fa57431f56d2faf41acf

  • SHA256

    70029840a2c10f707e5b6bee6a48c4c7fb1fc3efe79215d7bb01c5e2967848cb

  • SHA512

    8820e701b0cdd135e295059e3971404513f9895567e91f4988ed8e168feebf6c6e1b781bbe6684496db70272b2e86d18bd69c369ee93c4614bd5a00b8db9b116

  • SSDEEP

    12288:QWET/mr9KL0dPVbYuEfa3cFuX59v1vWePcN9fS0TUo12M+trJHgEyjd2u5Bh:QWtO0J/mgco9Rq9q0QUOHGjs

Malware Config

Extracted

Family

remcos

Botnet

76364

C2

103.150.8.12:5689

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    remcos.exe

  • copy_folder

    Remcos

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    false

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-FF0K7G

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    Remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Signatures

  • Remcos

    Remcos is a closed-source remote control and surveillance software.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Quote List.exe
    "C:\Users\Admin\AppData\Local\Temp\Quote List.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1072
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\mINGIl.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4480
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\mINGIl" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8CCF.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3712
    • C:\Users\Admin\AppData\Local\Temp\Quote List.exe
      "C:\Users\Admin\AppData\Local\Temp\Quote List.exe"
      2⤵
        PID:1756

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_fvibucte.k5x.ps1
      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmp8CCF.tmp
      Filesize

      1KB

      MD5

      f21f34089bd1c47469533a60ba1002c6

      SHA1

      fac9eebdd0d6e4232024e1c8a7c4719da8aff03c

      SHA256

      2eddfc4a775254197d6347fc746569c6a9f9b4de486258b40aef385acde52514

      SHA512

      cf723015d2ed28a0e5cd02bfc9ddd6640e8f2f64dba8a3f1de9fc0bfb395cc1296b82ce338921bd73fef5b650cdf334443e3220c9518823223ed17fb3e8c456f

    • memory/1072-5-0x00000000746F0000-0x0000000074EA0000-memory.dmp
      Filesize

      7.7MB

    • memory/1072-2-0x0000000005520000-0x0000000005AC4000-memory.dmp
      Filesize

      5.6MB

    • memory/1072-3-0x0000000004E70000-0x0000000004F02000-memory.dmp
      Filesize

      584KB

    • memory/1072-4-0x00000000029F0000-0x00000000029FA000-memory.dmp
      Filesize

      40KB

    • memory/1072-39-0x00000000746F0000-0x0000000074EA0000-memory.dmp
      Filesize

      7.7MB

    • memory/1072-6-0x0000000005450000-0x0000000005472000-memory.dmp
      Filesize

      136KB

    • memory/1072-7-0x00000000054C0000-0x00000000054CC000-memory.dmp
      Filesize

      48KB

    • memory/1072-8-0x0000000002760000-0x0000000002770000-memory.dmp
      Filesize

      64KB

    • memory/1072-9-0x000000000D260000-0x000000000D31E000-memory.dmp
      Filesize

      760KB

    • memory/1072-10-0x0000000010A80000-0x0000000010B1C000-memory.dmp
      Filesize

      624KB

    • memory/1072-1-0x0000000000480000-0x0000000000576000-memory.dmp
      Filesize

      984KB

    • memory/1072-0-0x00000000746FE000-0x00000000746FF000-memory.dmp
      Filesize

      4KB

    • memory/1756-24-0x0000000000400000-0x000000000047F000-memory.dmp
      Filesize

      508KB

    • memory/1756-45-0x0000000000400000-0x000000000047F000-memory.dmp
      Filesize

      508KB

    • memory/1756-26-0x0000000000400000-0x000000000047F000-memory.dmp
      Filesize

      508KB

    • memory/1756-81-0x0000000000400000-0x000000000047F000-memory.dmp
      Filesize

      508KB

    • memory/1756-80-0x0000000000400000-0x000000000047F000-memory.dmp
      Filesize

      508KB

    • memory/1756-78-0x0000000000400000-0x000000000047F000-memory.dmp
      Filesize

      508KB

    • memory/1756-79-0x0000000000400000-0x000000000047F000-memory.dmp
      Filesize

      508KB

    • memory/1756-77-0x0000000000400000-0x000000000047F000-memory.dmp
      Filesize

      508KB

    • memory/1756-76-0x0000000000400000-0x000000000047F000-memory.dmp
      Filesize

      508KB

    • memory/1756-21-0x0000000000400000-0x000000000047F000-memory.dmp
      Filesize

      508KB

    • memory/1756-23-0x0000000000400000-0x000000000047F000-memory.dmp
      Filesize

      508KB

    • memory/1756-75-0x0000000000400000-0x000000000047F000-memory.dmp
      Filesize

      508KB

    • memory/1756-20-0x0000000000400000-0x000000000047F000-memory.dmp
      Filesize

      508KB

    • memory/1756-74-0x0000000000400000-0x000000000047F000-memory.dmp
      Filesize

      508KB

    • memory/1756-73-0x0000000000400000-0x000000000047F000-memory.dmp
      Filesize

      508KB

    • memory/1756-43-0x0000000000400000-0x000000000047F000-memory.dmp
      Filesize

      508KB

    • memory/1756-44-0x0000000000400000-0x000000000047F000-memory.dmp
      Filesize

      508KB

    • memory/4480-27-0x0000000004FE0000-0x0000000005002000-memory.dmp
      Filesize

      136KB

    • memory/4480-48-0x0000000006F30000-0x0000000006F62000-memory.dmp
      Filesize

      200KB

    • memory/4480-49-0x0000000074F60000-0x0000000074FAC000-memory.dmp
      Filesize

      304KB

    • memory/4480-59-0x0000000006F70000-0x0000000006F8E000-memory.dmp
      Filesize

      120KB

    • memory/4480-60-0x0000000006F90000-0x0000000007033000-memory.dmp
      Filesize

      652KB

    • memory/4480-61-0x0000000007900000-0x0000000007F7A000-memory.dmp
      Filesize

      6.5MB

    • memory/4480-62-0x00000000072C0000-0x00000000072DA000-memory.dmp
      Filesize

      104KB

    • memory/4480-63-0x0000000007330000-0x000000000733A000-memory.dmp
      Filesize

      40KB

    • memory/4480-64-0x0000000007540000-0x00000000075D6000-memory.dmp
      Filesize

      600KB

    • memory/4480-65-0x00000000074C0000-0x00000000074D1000-memory.dmp
      Filesize

      68KB

    • memory/4480-66-0x00000000074F0000-0x00000000074FE000-memory.dmp
      Filesize

      56KB

    • memory/4480-67-0x0000000007500000-0x0000000007514000-memory.dmp
      Filesize

      80KB

    • memory/4480-68-0x0000000007600000-0x000000000761A000-memory.dmp
      Filesize

      104KB

    • memory/4480-69-0x00000000075E0000-0x00000000075E8000-memory.dmp
      Filesize

      32KB

    • memory/4480-72-0x00000000746F0000-0x0000000074EA0000-memory.dmp
      Filesize

      7.7MB

    • memory/4480-42-0x0000000006010000-0x000000000605C000-memory.dmp
      Filesize

      304KB

    • memory/4480-41-0x0000000005F70000-0x0000000005F8E000-memory.dmp
      Filesize

      120KB

    • memory/4480-40-0x0000000005AB0000-0x0000000005E04000-memory.dmp
      Filesize

      3.3MB

    • memory/4480-34-0x0000000005940000-0x00000000059A6000-memory.dmp
      Filesize

      408KB

    • memory/4480-33-0x00000000050E0000-0x0000000005146000-memory.dmp
      Filesize

      408KB

    • memory/4480-19-0x00000000746F0000-0x0000000074EA0000-memory.dmp
      Filesize

      7.7MB

    • memory/4480-17-0x00000000052A0000-0x00000000058C8000-memory.dmp
      Filesize

      6.2MB

    • memory/4480-18-0x00000000746F0000-0x0000000074EA0000-memory.dmp
      Filesize

      7.7MB

    • memory/4480-15-0x0000000002690000-0x00000000026C6000-memory.dmp
      Filesize

      216KB